sikorski.de

Valid Email Server
Domain Lookup › sikorski.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sikorski.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 18:48:07 UTC · ↺ Refresh

MX Hostnames

  • sikorski-de.mail.protection.outlook.com

MX Priorities

  • sikorski-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 45.144.186.41 (no PTR)

Mail Server IPs

  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA a.ns14.net mms.smp-media.biz 2025071100 39940 7200 604800 300
Primary NS (mname)
a.ns14.net
Admin Email (rname)
mms@smp-media.biz
Serial
2025071100
Refresh
39940s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

b.ns14.net
a.ns14.net
d.ns14.net
c.ns14.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • MS=ms51723526
  • domainVerification=9a64dbc7-8017-48ad-a439-1f0d9ff5b5f0
  • 0ed1fe018a1e433f8803544d7bb502d889de93c680
  • SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com -all
  • knowbe4-site-verification=1b7204ffee977f943c9411b70b6b5cc3
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